Answer:
173.9
Step-by-step explanation:
9.40 × 18.5 = 173.9.
Answer:
11,813
Step-by-step explanation:
PEMDAS
(20x20x30) - 90 + 90 -187 = 12,000
12,000 - 90 + 90 = 12,000
+ 90 and - 90 cancel each other out.
12,000 - 187 = 11,813
Hope this helps!
Answer:

Step-by-step explanation:
vertical angles are equal
7x+28 = 5x+22
subtract 5x from each side
2x +28 =22
subtract28 from each side
2x =-6
x = -3
angle a
7x+28
7(-3) +28
-21+28
7
Angle A =7